Improved Performances of Room Temperature Gas Sensor by Indium Doping of P3HT/ZnO Hybrid Nanocomposites

IF 4.3 3区材料科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

ACS Applied Electronic Materials Pub Date : 2025-05-01 DOI:10.1021/acsaelm.5c0025210.1021/acsaelm.5c00252

Maher Jdir, Marwa El Beji, Saba Aziz, Mohsen Erouel*, Slah Mansouri, Anna Grazia Monteduro, Giuseppe Maruccio and Lassaad El Mir*,

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Abstract

Hybrid films of poly(3-hexylthiophene) (P3HT)/indium-doped zinc oxide (IZO) and undoped ZnO were developed in this work for the detection of volatile organic compounds at room temperature. Indium-doped and undoped ZnO nanoparticles were synthesized using the sol–gel method and mixed with P3HT before deposition using the spin-coating technique on interdigitated electrodes to form the hybrid sensing layers. The obtained films were characterized by X-ray diffraction, scanning electron microscopy, and atomic force microscopy, confirming the presence of P3HT/ZnO hybrid phase and well-dispersed particle structures with nanometric size in the composite thin films. The sensing properties of the sensors were studied for the reduction of gas (ethanol) at room temperature. In particular, the composite P3HT/IZO_1% exhibits a maximum response of 104% and a fast response time of about 58 s to 3000 ppm of ethanol concentration at room temperature.

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铟掺杂P3HT/ZnO杂化纳米复合材料改善室温气体传感器性能

本文制备了聚（3-己基噻吩）(P3HT)/铟掺杂氧化锌（IZO）和未掺杂氧化锌的杂化膜，用于室温下挥发性有机化合物的检测。采用溶胶-凝胶法制备了掺杂和未掺杂的ZnO纳米粒子，并与P3HT混合后，采用自旋涂覆技术在交叉电极上沉积，形成混合传感层。通过x射线衍射、扫描电镜和原子力显微镜对制备的复合薄膜进行了表征，证实了复合薄膜中存在P3HT/ZnO杂化相和分散良好的纳米级颗粒结构。研究了传感器在室温下对气体（乙醇）还原的传感性能。在室温条件下，当乙醇浓度为3000 ppm时，P3HT/IZO1%复合材料的最大响应速度为104%，快速响应时间约为58 s。

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来源期刊

ACS Applied Electronic Materials Multiple-

CiteScore

7.20

自引率

4.30%

发文量

567

期刊介绍： ACS Applied Electronic Materials is an interdisciplinary journal publishing original research covering all aspects of electronic materials. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials science, engineering, optics, physics, and chemistry into important applications of electronic materials. Sample research topics that span the journal's scope are inorganic, organic, ionic and polymeric materials with properties that include conducting, semiconducting, superconducting, insulating, dielectric, magnetic, optoelectronic, piezoelectric, ferroelectric and thermoelectric. Indexed/Abstracted： Web of Science SCIE Scopus CAS INSPEC Portico